M3i Zero works fine on Nintendo 3DS 2.0.0-2 JAP, US & EU with the new released version has been confirmed,thanks for M3i team's hard working,so far, r4i gold 3ds,r4i-sdhc,acekard,supercard dstwo have already released their fixes for 3DS 2.0 new firmware... Please be sure to update the M3i Zero to Core 2.0.2 to support 3DS new firmware Ver. 2.0.0-2U/E/J If you have SD card compatibility issue on 3DS, try to use M3GUpdaterPlus_142.nds to upgrade with compatible SD card or on NDS/NDSi to complete. Click here to download the M3i zero update